Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780606 | Projection aligner method utilizing monitoring of light quantity | Koyo Morita, Keizo Nomura, Hiroshi Nishizuka, Tai Hoshi, Terushige Asakawa | 1988-10-25 |
| 4701608 | Projection aligner with a sensor for monitoring light quantity | Koyo Morita, Keizo Nomura, Hiroshi Nishizuka, Tai Hoshi, Terushige Asakawa | 1987-10-20 |
| 4598197 | Projection aligner | Koyo Morita, Keizo Nomura, Hiroshi Nishizuka, Tai Hoshi, Terushige Asakawa | 1986-07-01 |